#include "hardware_dependent.h"

void setup() {
  // put your setup code here, to run once:
  init_port();

}

void loop() {
  // put your main code here, to run repeatedly:
  volatile int x;
  volatile int y;
  volatile long i;
  x=input();
  if((x&0x02)==0x02) //press 1st switch
  {
    while(1)
    {
      x=input();
      if((x&0x10)==0x10) //press 4th switch
      {
        while(1)
        {
          x=input();
          if((x&0x80)==0x80) //press 7th switch
          {
            y=0b10000000;  // Glow 7th LED
            output(y);
            for (i=0;i<600000;i++);
            y=0b0000000;  //OFF 7th LED
            output(y);
            break;
          }
        }
        break;
      }
    }
  }
}